The ZipLit is a simple-yet-indispensible little illumination device. threaded with durable cord thats easy to loop. cinch. and attach to the end of almost any jacket. coat. backpack. or purse zipper. and just as easy to remove. Encased in durable. water-resistant plastic housing. its bright LED provides instant visibility whenever you need it. so you can see your surroundings better and others can see you. The ZipLit is the perfect way to increase the personal safety of kids walking to school. dog walkers. runners. campers - anyone out early in the morning or late at night.